/*
 * Alloy Analyzer
 * Copyright (c) 2002 Massachusetts Institute of Technology
 *
 * The Alloy Analyzer is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * The Alloy Analyzer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with the Alloy Analyzer; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package alloy.parse;

import java.io.File;
import java.io.FilenameFilter;

/**
 * A filter which accepts files which are Alloy
 * specifications.  For now, Alloy specifications
 * are defined as files ending with the .als
 * extension.
 */
public class ALSFileFilter implements FilenameFilter {
    
    public boolean accept(File dir, String name) {
      name = name.toLowerCase();
      return name.endsWith(".als");
    }

    public String getDescription() {    
      return "Alloy specification files";
    }
  }

